How Humans Became (Mostly) Right-Handed

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No other placental mammal that we know of prefers one side of the body so consistently, not even our closest primate relatives. But being right-handed may have deep evolutionary roots in our lineage. And yet, being a leftie does seem to come with some unexpected advantages.
Big thanks to Julio Lacerda ( / juliotheartist​ ) for the excellent right-handed Neanderthal illustrations!
Produced in collaboration with PBS Digital Studios: / pbsdigitalstudios
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References: docs.google.com/document/d/1t...

Пікірлер: 11 000

  • @eons
    @eons3 жыл бұрын

    Some commenters have pointed out that we say "after our lineage split with chimpanzees," "members of our lineage after the split with chimpanzees," and "after our split from chimpanzees" at various points in this episode. Just to clear things up, humans and our extinct relatives share a common ancestor with chimpanzees and their extinct relatives. After our lineage split from this common ancestor, we call our group "hominins." Living chimpanzees also have their own separate evolutionary history since that shared common ancestor.

  • @domigonz7094

    @domigonz7094

    3 жыл бұрын

    First

  • @dsp6373

    @dsp6373

    3 жыл бұрын

    “Split with chimpanzees” is not the same as “split from chimpanzees”. Indeed we “split with chimpanzees” not split from them.

  • @hackthis1767

    @hackthis1767

    3 жыл бұрын

    Could the culprit to hand dominance could be tied to agriculture development along with g protiens from early generation of gmo growth hormones which caused intellectual growth to the broca after its cycle thru the gaba system.

  • @kayzeaza

    @kayzeaza

    3 жыл бұрын

    @darknightoftroy Listen this is science and they’re professionals who should get it right.

  • @gunzakimbo

    @gunzakimbo

    3 жыл бұрын

    @@kayzeaza If you're dumb enough to get confused with "Split From Them," and "Split With Them," maybe go back to English class.............. And if you wanna go into it, we did split "FROM THEM," notice how they're still around and the in-betweens aren't. Please make an argument someone older than 5 should make.

  • @ashleysteinhaus9447
    @ashleysteinhaus94473 жыл бұрын

    I was actually born left handed But I had a stroke when I was very young which paralyzed the left side of my body meaning I had to grow up right handed instead. My favorite joke is “ I’m ambidextrous, I just can’t show you right now”

  • @JellyAntz

    @JellyAntz

    3 жыл бұрын

    good job champ, you have pulled the big brain move with half of your brain

  • @sharigod5228

    @sharigod5228

    3 жыл бұрын

    😂😂😂

  • @sharigod5228

    @sharigod5228

    3 жыл бұрын

    ...so...when can you show me? 🤔

  • @stephanieyee9784

    @stephanieyee9784

    3 жыл бұрын

    My sister had a stroke 14 years ago. She was right-handed but is now a leftie because her right side doesn't work. She also uses her teeth a Lot from getting dressed to opening things to holding things.

  • @mistersebaa6245

    @mistersebaa6245

    3 жыл бұрын

    That's an amazing story.

  • @brittneyziegler5742
    @brittneyziegler57423 жыл бұрын

    I appreciate that some of our best old evidence of this is from people basically punching themselves in the face on accident.

  • @dissapointedsoup4879

    @dissapointedsoup4879

    3 жыл бұрын

    yes thanks to those neanderthals damaging their teeth we have evidence. But rip neanderthal teeth

  • @caseyphelps6232

    @caseyphelps6232

    3 жыл бұрын

    Makes me feel better about dropping my phone on my face as I watch KZread.

  • @111jkjk

    @111jkjk

    3 жыл бұрын

    🤣🤣🤣

  • @JosephDavies

    @JosephDavies

    3 жыл бұрын

    Punching themselves in the face by accident... with a rock... in the teeth.

  • @Shadeem

    @Shadeem

    3 жыл бұрын

    *by

  • @tankerd1847
    @tankerd18475 ай бұрын

    As a left handed person, I think living in a right handed world forces you to be a lot more ambidextrous than the opposite for right handed people.

  • @marietighe6328

    @marietighe6328

    4 ай бұрын

    Very true

  • @kirbycobain1845

    @kirbycobain1845

    4 ай бұрын

    I definitely agree, I wonder if thats partly why we have less brain lateralization?

  • @negativeindustrial

    @negativeindustrial

    4 ай бұрын

    So does mechanical assembly. I’d be surprised if your non-dominant hand is as agile and strong as mine.

  • @TwoCiggyStory

    @TwoCiggyStory

    4 ай бұрын

    Yeah it’s everywhere. Just today I was thinking about this while I was messing with an automatic type knife. It’d come out into a left handed person’s palm.

  • @DragonLandlord

    @DragonLandlord

    4 ай бұрын

    Because a lot of the time we get taught by righties, so you either learn that hand or figure out how to do it with your left.

  • @riverboatsam
    @riverboatsam4 ай бұрын

    You might be interested in how handedness has affected architecture. You will find that in medieval castles and other fortresses that have stairways , those stairways hug the walls such that upon ascending the walls are invariably on the right hand side. This is because it inhibits the movements of right-handed invading swordsmen, giving the (also right handed) defender above an advantage with greater room to swing his sword. Now, a lefty attacking would nullify a lot of that advantage, but the defender would still have the height & weight advantage of striking downwards.

  • @ukcroupier

    @ukcroupier

    4 ай бұрын

    Ferniehirst Castle in Scotland has a left handed design. Sir Andrew Kerr was left-handed and trained his men to fight left-handed.

  • @BaronVonQuiply

    @BaronVonQuiply

    3 ай бұрын

    @@ukcroupier That says a lot about wealth and is entirely unsurprising that everyone had to learn to use a sword in their offhand so that one guy wouldn't have to.

  • @justjoe5373

    @justjoe5373

    2 ай бұрын

    In single combat shields become much less effective too. Sure you can still put a shield in front of you but if my sword and your sword are on the same side I can attack from an angle you can't defend as easily from, and while the other way around is also true a leftie would have fought more righties than a righty has fought lefties

  • @iMertin

    @iMertin

    8 күн бұрын

    There’s a clan in Scotland who built their castle stairs and trained the soliders to fight left handed so they have advantage for this

  • @iMertin

    @iMertin

    8 күн бұрын

    @@ukcroupierdamn bet me to it haha

  • @Silver-Arrow
    @Silver-Arrow3 жыл бұрын

    one of my teachers used to call me and other lefties a "silver surfer" because whenever we wrote an essay our hand would be covered in graphite

  • @gibbous_silver

    @gibbous_silver

    3 жыл бұрын

    Ah, yes writer’s silver hand

  • @firstnamelastname-zf3gg

    @firstnamelastname-zf3gg

    3 жыл бұрын

    Ah lefties curse. Hand: smudged. Paper: dirty

  • @nathanielb3510

    @nathanielb3510

    3 жыл бұрын

    Apparently this is the real reason for Leonardo's "mirror writing" - it let him write in a direction so that he wouldn't get ink on his hand. There were even books in the 15th century aimed at lefties explaining how to do it.

  • @malkavil

    @malkavil

    3 жыл бұрын

    damn i hated my draw teacher saying i wasnt clean enought and getting failed in class.....

  • @Silver-Arrow

    @Silver-Arrow

    3 жыл бұрын

    ​@@nathanielb3510 now i know that writing backwards is on par with a proto helicopter and proto tank

  • @BrunoBrusantin
    @BrunoBrusantin3 жыл бұрын

    "70% to 95% of us to be exact"... i chuckled

  • @Desklamp1234

    @Desklamp1234

    3 жыл бұрын

    i would like to buy exactly 2-5 burgers please

  • @EggBastion

    @EggBastion

    3 жыл бұрын

    good for you

  • @501thtrooper4

    @501thtrooper4

    3 жыл бұрын

    Huh?

  • @luisa9628

    @luisa9628

    3 жыл бұрын

    @@501thtrooper4 "to be exact" "70-95%" its funny.

  • @SD-ym1rt

    @SD-ym1rt

    3 жыл бұрын

    @@Desklamp1234 so you owe us 3 burgers thank you

  • @christianeaster2776
    @christianeaster2776 Жыл бұрын

    My sister was born a lefty. But when she started writing, she wrote upside and backwards. That is what she put on paper was not only mirror writing, but also inverted vertically. It scared me dad so much, he taught her to write right handed. To this day, she writes mostly right handed, but does most other things left handed. Fortunately it did cause her to stutter like I have heard it can when someone is forced to change.

  • @killerken2368

    @killerken2368

    Жыл бұрын

    The same thing happened to me. I am mostly left-handed but my parents forced me to write with the right hand and that caused me some issues... But still my left hand is more dominant compared to the left one.... And i only use my right hand for writing

  • @hdbrot

    @hdbrot

    Жыл бұрын

    I think you meant “unfortunately“ there.

  • @christianeaster2776

    @christianeaster2776

    Жыл бұрын

    @@hdbrot Actually, it was fortunately. I left out a not.

  • @Jess-T

    @Jess-T

    Жыл бұрын

    Poor girl. Its horrible to hear children being treated like this.

  • @Bahelord

    @Bahelord

    Жыл бұрын

    "Fortunately, it did not"

  • @dazednconfuzedsean7
    @dazednconfuzedsean7 Жыл бұрын

    When I was a child I was left handed. Then in my first year of kindergarten I tripped on my shoe laces and broke my left arm. My teacher the taught me to use my right hand for everything, 30 years later I am still right handed. I'd be interested in seeing what my brain looks like in a scan as a "right brained" right hander

  • @mrbiker1294

    @mrbiker1294

    7 ай бұрын

    Your left handed by nature

  • @Susmore21

    @Susmore21

    7 ай бұрын

    I’m sure you could pick up left hand again if you focused for a bit on doing stuff with you left. Then you could be ambidextrous

  • @grandmasteryoda2605

    @grandmasteryoda2605

    6 ай бұрын

    saved by the bell

  • @peetsnort

    @peetsnort

    4 ай бұрын

    ​@@Susmore21you'd have to re learn muscle memory

  • @eeeggg33

    @eeeggg33

    3 ай бұрын

    I had a similar situation, being left handed until I was 2 and then suffering a wrist fracture and switching arms, but I re-taught myself how to write, draw etc. with my left hand when I was about 7. I still describe myself as right hand dominant though because life is just built for right handedness, especially in school, so ultimately I can't write as quickly with my left and my grip strength is lesser (although my arm strength is greater?). If you haven't re-taught yourself to use your left hand for everything it would be worth a try!

  • @rianamomo6597
    @rianamomo65973 жыл бұрын

    Being a Leftie is fine for me until I went to school where their armchairs only have a right arm rest.

  • @jacob_90s

    @jacob_90s

    3 жыл бұрын

    There's a special place in hell for the people who design those types of chairs

  • @rianamomo6597

    @rianamomo6597

    3 жыл бұрын

    @@jacob_90s LOL. well i agree, those chairs are such a pain.

  • @lunarcrusaderArt

    @lunarcrusaderArt

    3 жыл бұрын

    Idk bout you guys but i got used to those

  • @rianamomo6597

    @rianamomo6597

    3 жыл бұрын

    @@lunarcrusaderArt yeah there's no choice but to deal will it. You're a Champ!

  • @force528

    @force528

    3 жыл бұрын

    If you're lucky, then there's a left-handed seat on the aisle. It's like being treated as disabled.

  • @ploutophylax
    @ploutophylax3 жыл бұрын

    Leftie advantages: You always know what to say when the teacher asks a fact about yourself, so you get to sit down quicker.

  • @unexpected2475

    @unexpected2475

    3 жыл бұрын

    The newest selection pressure in human lineages: icebreakers.

  • @karsten69

    @karsten69

    3 жыл бұрын

    @@unexpected2475 That's actually true. only those with icebreakers get to procreate, meaning that is natural selection.

  • @jaybird5885

    @jaybird5885

    3 жыл бұрын

    Both hands master race

  • @Flying-Bunny

    @Flying-Bunny

    3 жыл бұрын

    @@karsten69 My icebreaker doesn't work that well ... "Hello, I'm austitic" tends to end the conversation rather quickly or makes it way longer that it needs to be. ​ @Jay Bird Also... Ambidextrous is indeed the way to go, welcome to the party.

  • @unexpected2475

    @unexpected2475

    3 жыл бұрын

    I kinda wish I was ambidextrous, ngl.

  • @mr.hanger
    @mr.hanger Жыл бұрын

    I used to run a roofing crew. I would purposely hire a lefty because when coordinated with a righty things went quicker and smoother. Things like cutting off extra shingles would be done by the person more comfortable at that particular end of the roof. Sounds weird, but it helped.

  • @deaj8450

    @deaj8450

    6 ай бұрын

    Hey I'm a lefty roofer. I can see it being a small advantage. When I'm laying a shingle we are laying them out left to right if possible. I butt up the seam, use my right hand to line up the rain groove on the outer edge, then nail left to right. I think my left hand, being my gun hand, has a little less work to do than a righty doing the same thing.

  • @bobrussell3602

    @bobrussell3602

    5 ай бұрын

    That was very perceptive of you.

  • @davetuscano5939

    @davetuscano5939

    4 ай бұрын

    RIGHT! Car mechanics, construction workers, more.... we come in handy 💪

  • @FetsumBerhaneDire

    @FetsumBerhaneDire

    18 күн бұрын

    Football managers are now picking a left legged for left center defender and right legged for right center defenders because the lefty faces a right legged attacker the right legged faces a left legged attacker.

  • @SadhviJenn

    @SadhviJenn

    11 күн бұрын

    Sounds mad logical

  • @deejaydiabolic
    @deejaydiabolic4 ай бұрын

    Funny story: i worked with a guy who applied for a grant from an organization that supports and recognizes left-handed people...he wrote out this multi-page essay about how he wasn't even left-handed and essentially just wrote this essay out of sheer boredome... they ended up giving him the grant because....he literally was the only person to submit an essay for this grant!

  • @ashley-anne7043

    @ashley-anne7043

    18 күн бұрын

    Does this grant still exist, because I could really use it

  • @SearchingforScraps
    @SearchingforScraps3 жыл бұрын

    If somebody doesn’t say “oh hey your left-handed, didn’t know that” are you even left-handed ?

  • @christophercrawford2736

    @christophercrawford2736

    3 жыл бұрын

    Oh hey, my left handed... 🤔

  • @Amghannam

    @Amghannam

    3 жыл бұрын

    Oh so many times, haha

  • @PRIDEALKIMIST

    @PRIDEALKIMIST

    3 жыл бұрын

    Damn this is so real

  • @hunterstarkey5089

    @hunterstarkey5089

    3 жыл бұрын

    Felt this

  • @lorddio2737

    @lorddio2737

    3 жыл бұрын

    Im actually an advocate of using the left to write and the right to shave, comb hair and brush theeth but I cut with the left while cooking and with the right while eating. The non dominant hand is called for certain tasks and training to use it is beneficial to both hemispheres.

  • @stratocruising
    @stratocruising2 жыл бұрын

    Took a fencing course in college, was one of the best in the class. Finally went up against the other lefty. We engaged and backed off perplexed. Nothing worked the way it was supposed to.

  • @WideMouth

    @WideMouth

    2 жыл бұрын

    I’m also a lefty fencer. I’ve had the same problem. My class rival and I are always trying to one-up each other, but fencer each other is annoying because we’re both lefties.

  • @ameliar6374

    @ameliar6374

    2 жыл бұрын

    Hahahha

  • @PreceptorGrant

    @PreceptorGrant

    2 жыл бұрын

    Yep, I'm a lefty swordsman too (larp rather than fencing), can confirm I've had the same experience. Running into another lefty threw me off almost as badly as it usually throws righties.

  • @Age__101

    @Age__101

    2 жыл бұрын

    It’s like playing with inverted controls

  • @jorgegonzalez-larramendi5491

    @jorgegonzalez-larramendi5491

    2 жыл бұрын

    NOT in japanese fencing styles- our Law " there are No Lefthanded swordspeople" --- we play Right. worth the effort, and our advantages as lefthanders are more discreet . not to mention the right side and The Brain benefit lots .

  • @kevindouglas2060
    @kevindouglas20604 ай бұрын

    About 40 years ago I worked at a company that made woodgrain trim for Jeep station wagons. It was bent by hand . I noticed that if a lefthanded person learned to make a part on one side of the car he could immediately make the same part for the other side. But a right handed person had to learn that side the same way as any other part.

  • @skyhawk_4526

    @skyhawk_4526

    2 ай бұрын

    A case of lefties having to adapt to a right-handed world would be my guess for why that would be the case.

  • @lucilledelorme
    @lucilledelorme5 ай бұрын

    I’m friends with a pair of twins, one right and one left handed. This is called mirroring and occurs when the developing egg splits after a certain time. Identical twins (both right handed)divide before then. I wondered if it’s possible that some lefties could be the remaining twin after an early foetal loss. Often embryos lost very early on are not even noticed as more pregnancies end spontaneously at such an early stage. Just a little pondering of mine.

  • @surfclimbcycle

    @surfclimbcycle

    4 ай бұрын

    I'm a right-handed identical twin, with a left-handed twin brother. Same as your friends.

  • @lucilledelorme

    @lucilledelorme

    4 ай бұрын

    @@surfclimbcycle Take photos of you both and then flip them so you look more alike.

  • @18something

    @18something

    4 ай бұрын

    im a left handed with a right handed twin as well.

  • @surfclimbcycle

    @surfclimbcycle

    4 ай бұрын

    @@18something wondering please - R U identical twins?

  • @jaqkhan113

    @jaqkhan113

    4 ай бұрын

    I'm a left handed only child and this is something I've always pondered too.

  • @cutecats532
    @cutecats5323 жыл бұрын

    Eons: "Turns out Neanderthals have been using their teeth as a 3rd hand for quite a while." Me, using my teeth to hold something while opening a door: "Oh, you don't say."

  • @wendymoyer782

    @wendymoyer782

    3 жыл бұрын

    My exact thought...when steaming a dress, I hold the steamer in my right hand, and my left hand and teeth to hold the dress taut to get the most effective straightening.

  • @just_radical

    @just_radical

    3 жыл бұрын

    Considering that quadrupeds don't have as many chances to use their forelimbs to hold things one might might say the mouth is the original hand.

  • @duybear4023

    @duybear4023

    3 жыл бұрын

    Imagine how handy you'd be if humans still had tails.

  • @auburneytuckerson2959

    @auburneytuckerson2959

    3 жыл бұрын

    I use my teeth like a third hand a lot.

  • @auburneytuckerson2959

    @auburneytuckerson2959

    3 жыл бұрын

    @@duybear4023 That would only be possible if apes never split from monkeys because humans are apes.

  • @timesathousand
    @timesathousand2 жыл бұрын

    There was a family I knew growing up where a lefty man had married a lefty woman. And they had customized their house to accommodate this: the door hinges, doorknob turns, the refrigerator door, the drawstrings for the blinds etc. Spending time there felt like living in an Escher painting.

  • @eliasaltman4439

    @eliasaltman4439

    2 жыл бұрын

    I need to visit that house sometime, sounds like a lefties dream

  • @clayweier2901

    @clayweier2901

    2 жыл бұрын

    huh? ive lived in a right handed house this ENTIRE TIME LMAAOOO

  • @checkmattee222

    @checkmattee222

    2 жыл бұрын

    As a lefty, I would like to visit them some time lol

  • @kingofwishfulthinking2490

    @kingofwishfulthinking2490

    2 жыл бұрын

    All those are available at The Leftorium

  • @therealveridicalyt497

    @therealveridicalyt497

    2 жыл бұрын

    Then they had a righty child and yeeted the baby

  • @camillelortie6319
    @camillelortie63199 ай бұрын

    Most of my family members are either lefties or ambidextrous. We have always been very careful of who we sit next to during gatherings like Christmas and birthdays, so that we don't constantly bump into each others when eating. We have a lefties and a righties side of the table. I only very realized that it was an abnormal thing to think of. I went out with a group of friends and asked if we should organize the table according to hand preferences. They were all right handed lol

  • @superman011000

    @superman011000

    7 ай бұрын

    Same. My family is equally mixed. At big get togethers we try to sit without bumping elbows.

  • @Fem_TM

    @Fem_TM

    7 ай бұрын

    What if the real reason for right handedness is actually that simple? Because otherwise we would constantly bump into each other so when working in groups it made sense for everyone to use the same hand

  • @leecowell8165

    @leecowell8165

    6 ай бұрын

    Yep I have that issue. I try to sit on the left whereby no one sits on that side otherwise we'd be bumping elbows while eating! One of my brothers is also left-handed though thus we often sit next to one another. Our Father was also left-handed.

  • @harrietjameson

    @harrietjameson

    6 ай бұрын

    ​@@Fem_TM if that happened you could just move, evolution only really happens when it provides some advantage to our syrvival and reproduction

  • @dudemanofdude

    @dudemanofdude

    4 ай бұрын

    As a lefty ive always had to sit at the end of a table so my dad wouldnt get annoyed from me constantly bumping his arm

  • @100perdido
    @100perdido11 ай бұрын

    As a lefty liiving in a right handed world, things can be frustrating. The doors knobs are on the wrong side and those things at the bank have the pen attached on the right side making them hard to use. Even the gear shifts in cars are installed on the wrong side.

  • @alisonauchterlonie8212

    @alisonauchterlonie8212

    4 ай бұрын

    Not in the UK. We drive on the left. 😅

  • @Gertyutz

    @Gertyutz

    4 ай бұрын

    You can't install the gear shift near the door, so you're stuck.

  • @Gertyutz

    @Gertyutz

    4 ай бұрын

    @@alisonauchterlonie8212 So the gear shift is on the wrong side for righties.

  • @dudemanofdude

    @dudemanofdude

    4 ай бұрын

    Especially those electronic pens, those are the worst cuz they have the shortest damn cord, makes it easier to write with your finger.

  • @NoName-fv5oo

    @NoName-fv5oo

    3 ай бұрын

    @@GertyutzYh lol I just realised that

  • @JarlSeamus
    @JarlSeamus2 жыл бұрын

    I used to fence competitively, and found that most fencers have a very difficult time fighting a Leftie. It was a distinct advantage in many bouts.

  • @Songbirdstress

    @Songbirdstress

    2 жыл бұрын

    I came to say that LoI . It's actually worse if you're left handed (like me) Think about it. All the fencers in my class got to fence TWO lefties. My comrade and I only fenced ONE!

  • @anujmchitale

    @anujmchitale

    2 жыл бұрын

    @@Songbirdstress I suffered the same way, being a left handers, but in Table Tennis. Luckily, these days I get to play against many left handers.

  • @Dasel22

    @Dasel22

    2 жыл бұрын

    Same as in boxing.The say its difficult to fight southpaws because they mostly spar with right-handed people and are not used to it

  • @infinimineralex

    @infinimineralex

    2 жыл бұрын

    Same! But where I was, everybody in the region had already fenced many lefties so in both epee and sabre I didn't have as much of an advantage as I wanted :D

  • @ishansharma5454

    @ishansharma5454

    2 жыл бұрын

    🖐 high fives for lefties

  • @liluziBurt667
    @liluziBurt6673 жыл бұрын

    I was the only left handed kid in my 1st grade class. The other kids wondered why I always had lead pencil stains on my hand. Right handers don’t know our struggle.

  • @vexaris1890

    @vexaris1890

    3 жыл бұрын

    Or ink stains

  • @Bishka100

    @Bishka100

    3 жыл бұрын

    "Right handers don’t know our struggle." I know the feeling. It is a burden we have to bear for being superior.

  • @Raj-dy2cn

    @Raj-dy2cn

    3 жыл бұрын

    I guess it depends on the language, for arabic the right handers would struggle

  • @bussinbees7064

    @bussinbees7064

    3 жыл бұрын

    im right handed but i draw a lot so when i used to use pencils for everything, my hand would always be shiny and silver. it causes a lot of smudging on my art. that mist be so annoying while writing a paper especially if you need it to look clean

  • @twisted_fo0l

    @twisted_fo0l

    3 жыл бұрын

    Pretty simple just be dyslexic

  • @itsROMPERS...
    @itsROMPERS...8 ай бұрын

    I've sometimes thought that handedness developed as an expediency. We need to grab stuff with a hand so often that it's best to have a default idea of which hand to use, rather than having to decide in each situation. Imagine if each time you wanted to grab something you had to take a few milliseconds to think, "right or left?" If you were fighting with someone who had already decided, he'd beat you every time. Why it's right i have no explanation for.

  • @DafneMarchesan

    @DafneMarchesan

    8 ай бұрын

    you're correct

  • @w9316

    @w9316

    5 ай бұрын

    but ambidextrous people exist and still usually have a default hand

  • @SadhviJenn

    @SadhviJenn

    11 күн бұрын

    Well technically, dominant is the side that gets the signal first. Brain signals sent two locations -which one will get it first. That’s the one that’s already activated while the other is still waiting for ennervation. I always notice that when I try using my non-dominant hand.

  • @itsROMPERS...

    @itsROMPERS...

    11 күн бұрын

    @@SadhviJenn interesting.

  • @JohnDoe-on6ru
    @JohnDoe-on6ru3 ай бұрын

    Some of us reached perfection earlier than others and remained left-handed.

  • @petertrevorah7388
    @petertrevorah73882 жыл бұрын

    Footnote: left-handedness had survival value in trench warfare of WWI - soldiers throwing improvised explosives in the dark with their left hand were less likely to be picked off by snipers (who would routinely shoot to the wrong side of the glowing fuse).

  • @thomasbrennan1038

    @thomasbrennan1038

    2 жыл бұрын

    @Alpha Omega what?

  • @MattDawson01

    @MattDawson01

    2 жыл бұрын

    Sinister

  • @xMrmegasexybeastx

    @xMrmegasexybeastx

    2 жыл бұрын

    Thanks

  • @TheBreechie

    @TheBreechie

    2 жыл бұрын

    That’s interesting, can you provide a link or article to confirm this? The US taught lefties to hold grenades upside down so what you’re saying appears to contradict this which is why I was hoping you’d have some evidence to help clarify the discrepancy in information available

  • @petertrevorah7388

    @petertrevorah7388

    2 жыл бұрын

    @@TheBreechie My knowledge is anecdotal. Australian soldiers, including my grandfather, landed on Gallipoli in 1915 and had little or nothing by way of ‘grenades’ supplied to them. Under constant fire from Turkish snipers, they would fill their biscuit tins with gunpowder, add an improvised wick (which would glow fiercely in the dark) and emerge briefly from their trenches to throw the resulting bomb.The Turkish snipers would routinely aim to the right of the glow - and, if the ‘grenadier’ were a lefty, the shot would miss. Hope that helps.

  • @LoradLP
    @LoradLP3 жыл бұрын

    Left handed advantage in fencing is actually insane. It's not about surprise, it's about having to invert all your well trained motions when fighting a left-handed person.

  • @darensylvara7690

    @darensylvara7690

    3 жыл бұрын

    I’m a lefty,took fencing in school,stuck everyone within seconds.the instructor brought in a guy that was on the fencing team,only time I got beat.

  • @100apples5

    @100apples5

    3 жыл бұрын

    @@darensylvara7690 when I was fencing, the only bouts that felt strange were lefty vs lefty ones since I trained so much against righties

  • @jasonsabbath6996

    @jasonsabbath6996

    3 жыл бұрын

    Same with boxing!

  • @hansgruber9685

    @hansgruber9685

    3 жыл бұрын

    @@darensylvara7690 Should have used pocket sand.

  • @kaizen5023

    @kaizen5023

    3 жыл бұрын

    Yes it is difficult fighting someone left-handed, including when fencing.

  • @TheBcvg2002
    @TheBcvg20027 ай бұрын

    I had also learned about handedness and distribution of language function having a correlative relationship. Interesting topic!

  • @EasilyEternallyMissed
    @EasilyEternallyMissed11 ай бұрын

    This was very interesting to watch! I often ask myself if I'm right or left handed, while I can use both with ease and often favour my left than my right and vice versa in certain things. There some things that I do that using my left hand comes so naturally, then there's things I do naturally with my right hand. I naturally use my phone with my left hand and when I'm on a call to my left ear as well, I use a knife in my left hand and the fork in my right (funny enough I can't seem to do it the other way around 😅 (it feels extremely awkward and unnatural). I was often told as a child to use my right hand as I would often swap my hands when learning to write or to draw, and even to use scissors (which I used and still use my left hand for - again feels natural).

  • @billbadson7598
    @billbadson75983 жыл бұрын

    Right-handed people will never know the pain of having to write left-to-right with a number 2 pencil all throughout school and constantly having to scrub the graphite off your hand because of how it smudges as it moves over what you just wrote.

  • @sleepycryptid8275

    @sleepycryptid8275

    3 жыл бұрын

    As a righty, I actually know the pain quite well xD

  • @RetropUk

    @RetropUk

    3 жыл бұрын

    We had to use cartridge pens and ink at school. Blue hand and shirt cuffs.

  • @kokolanza7543

    @kokolanza7543

    3 жыл бұрын

    Smudges still happen if I write a card on the wrong kind of material. Also looks a little odd with that left hand bent at a right angle to the forearm. My grandfather wrote with the top of the letters slanted to the left.

  • @billypilgrim5329

    @billypilgrim5329

    3 жыл бұрын

    @@RetropUk Yes, I recall it with horror. And then one was given a failing grade in writing as an extra incentive to doubt oneself.

  • @hashbites

    @hashbites

    3 жыл бұрын

    artists: am i a joke to you?

  • @rhidiandavies1991
    @rhidiandavies19912 жыл бұрын

    Being a right handed judo player, grappling with a lefty always feels awkward whereas for the lefty it's business as usual. What's really funny is when you see a really good lefty finally come up against another lefty, because they suddenly look like a beginner again, with neither player knowing how to actually set up their throws because they so rarely encounter one another.

  • @Skyisgoingbacktopluto

    @Skyisgoingbacktopluto

    2 жыл бұрын

    I'm so glad that my usually undesirable trait gives me an advantage in literally every martial art form ever.

  • @shruglifecomedy5709

    @shruglifecomedy5709

    2 жыл бұрын

    Came here to comment that, I did judo and was trained left handed as it came easier to me (even thought I write right handed). I also boxed left handed

  • @einundsiebenziger5488

    @einundsiebenziger5488

    2 жыл бұрын

    Since when does one "play" judo? Thought it was a martial art.

  • @leaho3731

    @leaho3731

    2 жыл бұрын

    @@einundsiebenziger5488 I never "played" judo (I always said "I do judo") but it is seen as a sport fairly often :)

  • @binhalthier5151

    @binhalthier5151

    2 жыл бұрын

    I am a lefty too And I did Judo(did not anymore bc of Corona) And I think I played just like a right handed would play🤷. And I never had that problem😅

  • @Spillers72
    @Spillers72 Жыл бұрын

    I'm left handed and my son is as well. I have always had a really good memory. It helped me in school.

  • @robertslusser6753

    @robertslusser6753

    2 ай бұрын

    I have 6 siblings and I am the second oldest. My older brother is a leftie, I'm right handed. He is 74, I am 73 years of age and his memory for detail has always been better than mine, especially as we have gotten older. Coincidence? Also, out of us 5 brothers and two sisters, there are at least 3 of us that are left handed.

  • @askew9976

    @askew9976

    2 ай бұрын

    Same here on all things. 😮

  • @c.t.1755
    @c.t.1755 Жыл бұрын

    This was fascinating. Really makes me wonder what other everyday things like this may be evolutionally influenced/shaped

  • @sirich7751
    @sirich77512 жыл бұрын

    Knew a girl in High School who could write cursive with either hand neatly. She could also write cursive with either hand as a mirror image neatly. It was fascinating.

  • @tippytoe1250

    @tippytoe1250

    2 жыл бұрын

    My 12 year old uses both hands well depending on what she’s doing. She will write with her left then get tired and switch to the right. I have 2 other kids. One is strictly right handed and the other is strictly left handed. My 12 year old will use whatever hand is easiest due to which sibling she happens to sit next to. We have quite a bit of lefties in our family.

  • @the_algorithm

    @the_algorithm

    2 жыл бұрын

    I often challenge people to tell me which hand I signed my name with. You have a 50/50 chance... to get it wrong I am literally listed as ambidextrous by the military/va I can throw a football/baseball with both hands and shoot basketball. While I do have preferences in many tasks, I can always perform said tasks with the opposing hand with ease. That does exclude specific training... (like baseball) I can throw a ball ~65MPH Left Handed, but as a kid I trained to throw right handed so I can throw 85MPH right handed... (I only had a glove that fit my left hand since we were VERY poor and I used hand me down equipment. My twin sister would take the glove off to throw left handed while I found that to be cumbersome)

  • @ianmangham4570

    @ianmangham4570

    2 жыл бұрын

    I can write CURSIVE with my foot

  • @chxsen11

    @chxsen11

    2 жыл бұрын

    Goals

  • @sarenhs4535

    @sarenhs4535

    2 жыл бұрын

    When I broke my left hand I got really good at drawing and writing with my right hand.

  • @EponaPat
    @EponaPat3 жыл бұрын

    Horses are “handed”, going more easily one direction than the other. We spend a lot of time training them to be ambidextrous.

  • @sf7862

    @sf7862

    3 жыл бұрын

    Horses have hands 🤯

  • @EponaPat

    @EponaPat

    3 жыл бұрын

    I put “handed” in quotes to align with the article and yes, we use the word “hand” because we go clockwise or the “right hand” because I use my right hand to turn in that direction. Most horse are “stiff” on the “ right hand” and “hollow” to the “left hand”, meaning they take too much pressure on one side and not enough on the other. Horses also tend to prefer one canter “lead” to the other.

  • @savegraysoncats

    @savegraysoncats

    3 жыл бұрын

    Yes. Horses prefer one lead over another when centering and it is easier for them to corner in one direction than the other

  • @inferlynx737

    @inferlynx737

    3 жыл бұрын

    Pic confirms your qualifications!

  • @nikoewindstorm8490

    @nikoewindstorm8490

    3 жыл бұрын

    So do dogs, cats, monkeys, even fish. What they were saying about no other animal not having a preferred side is flat out wrong. It’s simply evolutionary for complex organisms because it helps with short cuts in the brain.

  • @keepcalmlovedinosaurs8934
    @keepcalmlovedinosaurs893410 ай бұрын

    I use this reference during the Ice Age segment of my novel. Its a good thing this video was uploaded mere weeks before I sent it off otherwise I would have missed out!

  • @EyeSeeThruYou
    @EyeSeeThruYou10 ай бұрын

    Left-handed, grey-eyed, ginger woman here (apparently a rare critter, according to some, lol). Since dominant forelimbs in mammals and other vertebrates was mentioned, here are observations regarding avians: they, too, appear to have a dominant foot. And, there's an indication that it impacts how they prefer to interact with humans (avians living in captivity). I began observing this in avians kept as companion animals over the course of many years, and because they were the object of my interest, and I am left-handed, I wondered about them, too. Nine species of parrot and one domesticated breed of duck later, I did notice patterns. What I qualified as left/right dominant for each avian consisted of 2 distinct categories: 1) The preferred foot first extended for most activities, including stepping onto a human hand or arm, or holding and manipulating objects, like food. 2) The preferred human hand for interaction with each avian. Because all the birds, with exception of the Pekin ducks (2 individuals) and 1 individual Cockatiel, American Budgerigar, and Scarlet macaw, respectively, lived with other humans prior to residing with me, and my right-handed spouse, this provided interesting results. Most of the parrots exhibited a consistent and overwhelming use of dominant foot with stepping, holding, and defense (pushing another bird away, for example). The next observation was interesting, because some of the birds had first lived with my right-handed spouse, and came to know me later, or vice versa. The birds showed an absolute preference in terms of which hand we as humans offered food, a step up, or grooming and petting of their heads. If we offered the "other" hand, the macaws, Senegal, 2 Budgerigars, and both ducks either hesitated, waited, or pushed our hand away (with ther bills), refusing our approach. Switching our hand to match their dominant-sided foot proved notable, and I found out my right-handed spouse had noticed this before I'd discussed my own observations of the birds with him. He found himself naturally switching hands to approach each bird to avoid "misinterpretation" by individual birds. I myself had noted the same thing, and in discussing it, realized that the pstticines residing with us appeared to be largely Left-dominant in their own use of limbs. We noted that both ducks, which were acquired at 3 days of age and imprinted on me, but also interacted with my spouse a great deal, showed the same preferences when we picked them up, petted them, swam with them, or gave treats. While dominant foot in avians didn't seem surprising to us, the added element of requiring us as humans to use the "correct hand" to approach them added an additional layer of insight for us, since they were requiring us to adapt to their preference, regardless of our own hand-side dominance. Below are my observations from journals and notes. * = did not reside with other humans during lifetime Pekin duck 1 - Left Pekin duck 2 - Right Cockatiel 1 - Left Cockatiel 2 - Right Budgerigar 1 - Left Budgerigar 2 - Left* Budgerigar 3 - Right Budgerigar 4 - Left Budgerigar 5 - Left (disfigured legs and feet due to neglect and abuse) Budgerigar 6 - Right Budgerigar 7 - Left Scarlet macaw - Left* Blue & Gold macaw - Left Senegal parrot - Left Golden-capped conure - Right Blue-crowned conure - Right Nanday Conure - Right Indian Ringneck parrot 1 - Right Indian Rigneck parrot 2 - Left

  • @teawrecks1243
    @teawrecks12433 жыл бұрын

    lefty: *uses left hand in the middle ages* everyone: "iS tHiS wiTchCraFt?"

  • @509Gman

    @509Gman

    3 жыл бұрын

    My dad was in school during the days of corporal punishment, he writes with his right hand but does everything else left handed.

  • @peterharrison5833

    @peterharrison5833

    3 жыл бұрын

    I feel his pain.....

  • @thelukesternater

    @thelukesternater

    3 жыл бұрын

    @@peterharrison5833 I am sorry. I went to school with a set of twin one left one right. Good school let her write with her left. Good humans do good things nicely.

  • @user-zq7vi8lm4z

    @user-zq7vi8lm4z

    3 жыл бұрын

    Me : being ambidex and write with left hand in modern day as a kid My muslim mom : DONT USE LEFT HAND!! SATAN IS LEFTY!! DONT BE LIKE SATAN!!!

  • @user-qo5co8sp9q

    @user-qo5co8sp9q

    3 жыл бұрын

    Ikr

  • @preusmusic
    @preusmusic3 жыл бұрын

    ”Kangaroos are mostly lefthanded”, that's why they drive on the left side of the road.

  • @donkmeister

    @donkmeister

    3 жыл бұрын

    Common misconception from those who live in the 60% of the world that drives on the wrong side of the road 😉 Driving on the left of the road is the righthanded approach... At least, it's the righthanded way with the standard configuration of car controls. Naturally, it is safer to do the more complicated, safety-critical action (steering) with your dominant hand, and do the easy muscle-memory activity (changing gears - there's only a limited number of points you need to move the stick to) with your non-dominant hand. Take manual gearshifts out of the equation and it comes town to preference, which generally comes from what you're used to. So if you have spent your life in a left-hand drive country, then you'll probably think "driving from the left of the car is the natural way". But if you have spent your life in a right-hand drive country, driving from the right of the car feels more natural.

  • @caitolent

    @caitolent

    3 жыл бұрын

    @@donkmeister Disagree. Steering is the easy part. Trying to figure out why Pandora won't sync via Bluetooth, again, is the hard part. ;)

  • @diazinth

    @diazinth

    3 жыл бұрын

    @@donkmeister I dunno. I'm right-handed, and I'd prefer to have half a car between my valuable right hand and a drunk driver. Better to have the left side exposed, it's more expendable ;)

  • @mal2ksc

    @mal2ksc

    3 жыл бұрын

    @@diazinth So if you get half smashed in a crash, you'll be all right?

  • @diazinth

    @diazinth

    3 жыл бұрын

    @@mal2ksc the odds for recovery of my favourite parts are better than fully smashed. It works like COVID: the more you stack the odds in your favor, the better your outcome will be over time :)

  • @sls12III
    @sls12III7 ай бұрын

    I am a left handed person and it shows in the way I write and use my mouse on my left hand during gaming. Sadly, I was forced to use a right handed guitar because my guitar teacher told me it's better off for me to learn right-handed than left-handed. So far, it kinda helped me because I have a stronger grip on my left and it was easier for me to do bar chords.

  • @Nevarek339
    @Nevarek3398 ай бұрын

    @1:43 suboptimal knife grip, chef's grip is better (and imo safer) for most cutting, also the grip on on the carrot like asking for an injury

  • @karsten69
    @karsten693 жыл бұрын

    PBS host: Being a leftie can have advantages Me, a leftie: oh really? How many decades/centuries did it take you to make scissors that work for both hands?

  • @rlosable

    @rlosable

    3 жыл бұрын

    Its not because it is so difficult, we just prefer you lefties have no sharp and pointy objects... we are keeping an eye on y'all!

  • @muhamadsayyidabidin3906

    @muhamadsayyidabidin3906

    3 жыл бұрын

    ikr lol. As a leftie you're forced to learn how to used tools, eat, etc using right hand. Some people demonized left hand so much they would constantly asked about why you primarily used left hand lol

  • @dewiz9596

    @dewiz9596

    3 жыл бұрын

    As a leftie, I can use scissors quite erm, handily. I’ll posit that lefties are better at adapting to their environment. There is a much higher preponderance of lefties among aviators than in the regular population.

  • @thebackyard7661

    @thebackyard7661

    3 жыл бұрын

    @@muhamadsayyidabidin3906 “Why I prefer my left hand? Oh I don’t know, why do you prefer your right hand?”

  • @stefanosntailianis1511

    @stefanosntailianis1511

    3 жыл бұрын

    You guys are smarter.

  • @dave900575
    @dave9005753 жыл бұрын

    A friend broke her arm when we were in second grade. I started practicing writing my name with my left in case I ever needed to sign a paycheck left handed. It was for naught 'cause I broke my left arm in my 40s

  • @asmith8692

    @asmith8692

    3 жыл бұрын

    When I broke my dominant arm, I startled nurses when I was able to competently utilize a fork in my non- dominant hand. But I was taught to hold my fork in the non-dominant hand while cutting with the dominant, so not really a big issue, since I had always conveyed food to my mouth with my non-dominant hand.

  • @Primalxbeast

    @Primalxbeast

    3 жыл бұрын

    I used to go bowling with my friends once a week. I suck at bowling, but somehow managed to bowl a turkey one time when I broke my right hand and had to bowl with my left hand.

  • @elliotville7820

    @elliotville7820

    3 жыл бұрын

    Big Oof

  • @kindlin

    @kindlin

    3 жыл бұрын

    You used a quotation mark. I was trying to understand the quote when I found no closing quotation mark, and then I finally realized the quotation mark came right before a word that was abbreviated, and figured out it was supposed to be the word: 'cause. I wish stuff like this happened to me less... I take things too literally.

  • @anteconfig5391

    @anteconfig5391

    3 жыл бұрын

    you broke your left arm because it's natural to use it for defensive measures... because you're a righty.

  • @Subfightr
    @Subfightr5 ай бұрын

    The boxing example is so true. When I taught southpaws, or ESPECIALLY switch fighters (capable of switching stances well) I would often feel like I was standing wrong for a bit. Takes some getting used to.

  • @zaid.farid.11
    @zaid.farid.117 ай бұрын

    In cricket, the left-hand bowlers are considered to have an X-factor as they have a different angle, and they cause problems for most batters. As a result, any good left-handed bowler is picked earlier than the others making the aforementioned interaction more favorable for them because you don't usually find left-handed bowlers in domestic circuits. For anyone wondering Shaheen and Starc are prime examples of this today

  • @mlooky1221
    @mlooky1221 Жыл бұрын

    It had taken me 18 years to realise that everything around me was designed for right handed people. I always wondered why I sucked at pc gaming. It wasn’t until I was 18 and during my first ever exam that I saw someone asking for a left handed chair( there was a table attached to the chairs) then I asked for one and I was blown away by how much since it made compared to the right handed one. I took it for granted that my hand movements sucked but now I know why.

  • @Mr.Monta77

    @Mr.Monta77

    Жыл бұрын

    Sucking at PC gaming is a blessing. Perhaps this way you wasted less hours of your life on PC gaming and did something more useful?

  • @mlooky1221

    @mlooky1221

    Жыл бұрын

    @@Mr.Monta77 unfortunately I wasted it on Console gaming instead. But thankfully I left that behind me after enrolling in college.

  • @Mr.Monta77

    @Mr.Monta77

    Жыл бұрын

    @@mlooky1221 I'm glad to hear that. Congratulations on growing up.

  • @vichentez

    @vichentez

    Жыл бұрын

    I’m left handed, I recall my parents buying me some left handed scissors as a child, and I still have them 20 years later! But, I have no idea what a left handed chair is? Can you elaborate?

  • @melalepou

    @melalepou

    11 ай бұрын

    @@vichentez some chairs (in a school for example) have a built in little desk, that comes out of the right side of the back of the chair. the left handed chair would have it on the left, since a left handed person would have to write with their left hand

  • @mavvi860
    @mavvi8603 жыл бұрын

    have we considered that the less-lateralized brains in lefties could be a result of lefties being forced to do more tasks with their right hands, since the world as we know it and the majority of the tools we make are very biased to right-handedness these days? like having to navigate keyboards, guitars, door handles, etc. (all put the important things on the right side), forcing these people to adapt more significantly than a right-handed person would. not to mention cultures where your left hand is the one you don't eat or touch with.

  • @kylealexander7024

    @kylealexander7024

    3 жыл бұрын

    I agree with that completely. I have been using more variety of tools lately and can tell when a tool is specifically right handed. Skill saws for example

  • @patrickmccurry1563

    @patrickmccurry1563

    3 жыл бұрын

    I'm VERY left handed but don't really encounter problems in the modern world due to that. As a kid, there weren't any real left handed scissors, but that's it.

  • @pello7048

    @pello7048

    3 жыл бұрын

    This is absolutely true. Left handed people need to constantly learn how to use tools and activities in the opposite way they were designed. I've always thought it helps with things like problem solving

  • @kylealexander7024

    @kylealexander7024

    3 жыл бұрын

    @@pello7048 i agree but when u say something a lot of right handed people cant see what u mean just looking at it sometimes cause theyre evaluating from a different angle. Me and my boss have got this down pretty good. I do the lefty stuff. He does the righty

  • @AM-tc9ct

    @AM-tc9ct

    3 жыл бұрын

    @@pello7048 As a middle-aged lefty, I never "had" to learn how to use tools the "right" way. Fortunately I was not in the generation where lefty kids were forced to write with their right hands, which actually has been proven to be psychologically damaging. Right handed ladles in the kitchen, still used my left hand - probably enhanced my coordination to pour precisely from a less pointed spout. Right handed scissors only available in school, cool, I make them work with my left. Right handed baseball mits only available, figured out how to make it work. It wasn't that tragic. Call it forced creativity, but I'm sure there was a benefit to our 10% of the population.

  • @peterjameson321
    @peterjameson321 Жыл бұрын

    I'm left handed but had to acquire intricate movements with my right hand for playing the piano. This for a time caused me to develop a stammer perhaps suggesting that handedness is somehow linked to the development of speech. On a light note, I must say I liked the trendy haircut, trimmed beard and beautifully manicured fingernails of the neanderthal man in the video!

  • @izabellewoods3985
    @izabellewoods39853 ай бұрын

    A thing that has always been noteworthy for me: when I was really young (4 or so) my left handed aunt taught me to knit and crotchet using my left hand. I am otherwise right handed, but on both sides left handed-ness is very common. She grew up in a time that forced her to learn to write with her right hand and later remarked that she didn’t even realize she was teaching me on one hand vs the other. I still can’t make my brain knit or crochet using my right hand as a dominant hand. I think it’s because I was taught so young that the muscle memory is just engrained that for these two crafts it’s a left handed as dominant hand task.

  • @gonzo2.0
    @gonzo2.02 жыл бұрын

    Being left handed and living in a right handed tool world, has given me almost ambidextrous nature. I can pitch a softball, bowl, and anything else done underhanded with either hand. I play drums open handed on a right hand set, which is 100 times easier than crossing your right hand to play the hi hat. I play guitar equally bad left or right handed. Overall I would rather be left handed than right handed, except when a fountain pen is involved.

  • @geoffstrickler

    @geoffstrickler

    2 жыл бұрын

    I’m generally considered a lefty because I write left handed, and mostly use silverware and cutlery as a lefty, however, I can pretty easily switch hands for eating, unless I’m using chopsticks, which I can only do left-handed. However the reality is much less clear. Ive found that things requiring strength or fine arm control, I tend to do right handed. Examples, bowling, throwing, tennis, volleyball serve, golf, etc. Things requiring fine finger control like writing and chopsticks, I do exclusively left handed. While I can cut things with a knife in my rot hand, I don’t have the same level of control, so use a knife almost exclusively left handed. I use right-handed scissors, exclusively, with my left hand. But i can switch hit as a batter, more power right handed, more accuracy left handed, probably because I’m right eye dominant. I shoot pool with either, started left, have been switching to right because of eye dominance. I shoot rifles and shotguns right handed, but can easily user either hand for a handgun. I kick a ball right footed, but can play soccer and control the ball well with either foot. I use a mouse of trackpad with my right hand, totally suck at using them left handed. I can write on a whiteboard/chalkboard almost equally well (or poorly) wither either hand, as that’s arm and wrist control, not finger control. Also, I juggle, which has no particular hand dominance. Tool use varies, generally following the same strength/control factors outlined above. Hammer right, most power tools are either hand with a tendency to use them left most of the time, but ability to switch as needed. Hand saws vary, usually left for fine control, right or switch for strength. Basically, a mish-mash that mostly follows the patterns I mentioned in the first paragraph, with a few things are exclusively left or right.

  • @G8GTJav

    @G8GTJav

    2 жыл бұрын

    Listen, I know right-handers are inferior but you don't have to call them tools. 😉😂

  • @JeSt4m

    @JeSt4m

    2 жыл бұрын

    For me even as I'm forced to live my whole life as righty it's harder for me to handle delicate task with my right hand. e.g drawing, putting threads on a needle, or using a chopstick. Basically I'm now ambidextrous with caveat of my right hand being pretty clumsy.. which actually a huge thing for me since I always thought myself as suck at drawing or handicraft for over 20 years before I discover that it's okay to use your left hand for stuff. The biggest tell for me that made me realize that I'm left handed is actually from reflex. whenever I'm about to do or take something.. Even after years of being righty, my left hand always moved first by reflex.. it's feels more natural to pick up dishes or opening the door with my left hand.

  • @geoffstrickler

    @geoffstrickler

    2 жыл бұрын

    @@JeSt4m I hate hearing about people being forced to use their right hand. A teacher tried that with my older brother, Dad was also a lefty and was having none of that crap. My 3rd grade teacher allowed my to use my left hand, but insisted I was placing my paper in the wrong position when learning handwriting…again, Dad stepped in and had a word with her telling her in no uncertain terms I could position the paper in any that worked for me when writing.

  • @OneDirection2V

    @OneDirection2V

    2 жыл бұрын

    Wow I've been searching through the comments for who asked.

  • @selene6.238
    @selene6.2383 жыл бұрын

    the worst are the scissors that are designed to be so painful to use if you arent right handed 😭

  • @tiedupsmurf

    @tiedupsmurf

    3 жыл бұрын

    True, you can buy left handed scissors

  • @cutworm7027

    @cutworm7027

    3 жыл бұрын

    girl yes. as an industrial seamstress i can tell you even the left handed scissors work better right handed 🙄

  • @noneyadamnbusiness33

    @noneyadamnbusiness33

    3 жыл бұрын

    Spiral notebooks are a pain also

  • @ragnkja

    @ragnkja

    3 жыл бұрын

    @@cutworm7027 As in, they only mirror the shape of the handle and not how the blades actually cross each other? That’s sloppy and ignorant of the manufacturer, since it’s how the blades cross each other that _really_ determines whether a pair of scissors is suited for left- or right-handed use.

  • @enricocasaquia4045

    @enricocasaquia4045

    3 жыл бұрын

    I think I have a problem, because I'm left handed and use scissored like a right handed person

  • @tipring6956
    @tipring69563 ай бұрын

    Another leftie living in a right handed world. My older brother taught me to swing a basball bat - right handed of course, so I'm a bit a switch hitter, though I actually prefer to hit (and golf) right handed. Still swing tennis and pingpong rackets with my left hand. Being a leftie also helped me when learning the piano... my left hand didn't struggle with bass lines, and my right hand dexerity was already well developed so the instrument just really brought the skill level up on both sides.

  • @SIC647
    @SIC647 Жыл бұрын

    For most of my life, I was the only left-hander in all my extended family. I was SO happy when one of my nephews turned out to be a leftie. 🥰 (I did recently learn that one of my aunts is, in fact, a leftie too, but she was forced to become a rightie).

  • @magnificenthonky

    @magnificenthonky

    4 ай бұрын

    My wife was strongly encouraged to use her right hand, from a young age. If left to her own devices, she'd probably be a lefty, today. She can still do more with her left hand, than most. And, considering the the world was built around a predominantly right handed population, encouraging young lefties towards right hand use isn't a bad idea. Truthfully, encouraging ambidexterity in young children, regardless of dominant hand, would not be a bad idea. There've been times where having a more finely tuned left hand would have been beneficial to me.

  • @adamdorsky5465
    @adamdorsky54653 жыл бұрын

    I feel like a significantly higher ratio of left handed people clicked on this video than right handed people.

  • @youngsavage9874

    @youngsavage9874

    3 жыл бұрын

    Ik I did 😂

  • @rosemarym5334

    @rosemarym5334

    3 жыл бұрын

    Yeah... We don't get left behind. 😂

  • @PositivelyKush

    @PositivelyKush

    3 жыл бұрын

    Yeah I did 😅

  • @adamalexander5978

    @adamalexander5978

    3 жыл бұрын

    Yup

  • @Fiufsciak

    @Fiufsciak

    3 жыл бұрын

    Nah

  • @michaellyons992
    @michaellyons9923 жыл бұрын

    "Although we're the only species on Earth that's so strongly handed" My man's never seen a fiddler crab, I guess?

  • @bdnrg6306

    @bdnrg6306

    3 жыл бұрын

    Good point , look at lobsters

  • @marclytle644

    @marclytle644

    3 жыл бұрын

    Did you see those other guys? They were like giant claws with bodies attached!

  • @diefenbaker7853

    @diefenbaker7853

    3 жыл бұрын

    From what I found Fiddler Crabs have an enlarged left claw. If they lose the enlarged left claw the right claw grows in size to replace the lost one however their lost claw will grow back as a normal size claw. If they lose the right claw after the left has been damaged the left claw will grow in size to become a large claw and the cycle repeats. That said the left enlarged claw is for "jousting" with other males, defense, offense, etc and the smaller claw is the one they use to feed themselves with. This makes the Fiddler crab right clawed with an enlarged left claw unless the left claw has been damaged or lost.

  • @joermnyc

    @joermnyc

    3 жыл бұрын

    @@diefenbaker7853 probably because the giant claw can’t reach their mouth... but if they lose their smaller right claw, they must have some way to survive until it grows back... right?

  • @whitewolf262

    @whitewolf262

    3 жыл бұрын

    I'm pretty sure they specified placental mammals, which a fiddler crab definitely is not

  • @rasmokey4
    @rasmokey44 ай бұрын

    Wow, I just noticed that the toilet flush lever is on the left side! And the garage light switch is also on the left! And the front foor knob is also on the left!

  • @dko-JackSkalington
    @dko-JackSkalington Жыл бұрын

    I’ve never watched a video that repeated itself so much, yet said so little. Halfway through I said to myself “I bet they’ve done this just to hit the 10 min mark”, I was spot on. Not even 1 second longer. So a 4 minute video essay was extended by repeating the exact same thing over and over in different ways.

  • @jkryanspark
    @jkryanspark3 жыл бұрын

    As a righthanded person who plays guitar, I'm often amazed at the intricate fretwork I can accomplish with my left hand. Yet, if I try playing lefthanded, the same left hand becomes utterly spastic when I use it to strum.

  • @Ashitaka255

    @Ashitaka255

    3 жыл бұрын

    I'm a mixed handed person who plays guitar right handed. I just tried to play left handed. I noticed that my left hand is bad at plucking/strumming but my right hand is down right useless at fretting. I think in general my left hand can do a better job of copying things I'd normally do with the right, but the right is not as adaptable.

  • @jc.1191

    @jc.1191

    3 жыл бұрын

    And watching lefties is confusing as hell. Lol

  • @fossar_

    @fossar_

    3 жыл бұрын

    I'm a leftie who plays right-handed because one of my first teachers said it would be easier. As others say it would be near impossible to change now. I think it's as much to do with training than handedness for guitars, plucking and fretting are very much learned skills (not intuitive).

  • @blitheringrando1410

    @blitheringrando1410

    3 жыл бұрын

    I was gonna come say the exact same thing, the left hand being the fretting hand is such a weird anomaly.

  • @Ashitaka255

    @Ashitaka255

    3 жыл бұрын

    @@blitheringrando1410 right? It seems more logical that the right hand would be the fretting hand (for a right handed person) as it requires more fine motor control with some of the triciker chords, arpeggios, hammer ons, bends etc.

  • @thecreaturezoid478
    @thecreaturezoid4782 жыл бұрын

    Since childhood I've had a Quaker Parrot that is decidedly left handed (footed? clawed?). If you hand her anything like a Cheerio to eat, she will always grab it with her left foot. Likewise she will always step onto your finger left leg first, and step off of it in the same manner. When she was about 20 years old, she fell from a perch and broke her left leg in 3 places. The vet said they didn't have much hope for her surviving the injury, but we gave her constant care and made sure her leg was always well bandaged and dry. She made a full recovery and regained full use of her left leg which she still uses almost exclusively for any task. I've never had another animal with a distinct preference for one side over the other but she was determined, even with a serious injury to continue using her dominant leg and the vet believes that it was her constant use of the leg after the bandages came off that allowed it to regain all of its strength.

  • @deborahlabbe3492

    @deborahlabbe3492

    2 жыл бұрын

    My parents only noticed that their dog was left-pawed after having him for 5 years… If you ask him to “shake hands”, no matter which paw you put your hand in front of, he will only shake with his left paw.

  • @fehmeh6292

    @fehmeh6292

    2 жыл бұрын

    Vets are typically extremely closed minded when it comes to animal recovery.

  • @jesspostle7012

    @jesspostle7012

    2 жыл бұрын

    I have a quaker parrot too and she’s also left hand dominant, stepping up, eating etc. Interesting! Glad she’s doing well now after injury

  • @anyascelticcreations

    @anyascelticcreations

    2 жыл бұрын

    What a beautiful story. 💖

  • @Robynhoodlum

    @Robynhoodlum

    Жыл бұрын

    @@fehmeh6292 probably because their patients are more stubborn.

  • @andersonsithole8031
    @andersonsithole803115 күн бұрын

    As a medical practitioner it is generally accepted that right handedness come from the " fight or flight response". The heart is in the left side of the body therefore the left hand is needed more to defend it. The brain then adapts to keep the left hand closer to the body and the right farther. As most actions require "eye to hand coordination" the right hand is preferred as it isn't needed to defend the heart. So we evolved to to be right handed

  • @bradwolf07
    @bradwolf079 ай бұрын

    I remember hearing that you could figure out which skeletons were archers based off on the arm bones ...i was in a discussion of medieval battlefields (and the battles). O could be misremembering or was misinformed. Still, it's interesting to consider how our daily lives are shaped by and help shape our bodies.

  • @letradavis8260
    @letradavis8260 Жыл бұрын

    My daughter is left handed and self taught herself to play the guitar. When we finally took her to get professional lessons her teacher was shocked that not only did she play left handed but she also perfectly played her chords upside down. He said he, as a professional should correct (not playing left handed) the upside down playing but it intrigued and fascinated him so much that he allowed her to continue and it actually was her greatest strength

  • @KKFWB

    @KKFWB

    Жыл бұрын

    watch sum Elizabeth Cotten, she played a very particular style for similar reasons, very inspiring

  • @arifb222

    @arifb222

    Жыл бұрын

    I have a friend who also plays that way. It baffled me at first, then I tried imitating him but failed. I always wonder why my dominant right hand seems to be worse with chords than my left hand when I first learned the guitar. Strumming with my left hand also doesn't work lol

  • @djm7494

    @djm7494

    Жыл бұрын

    My son did this as well.

  • @letradavis8260

    @letradavis8260

    Жыл бұрын

    @@djm7494 that’s awesome

  • @mikemc4549

    @mikemc4549

    Жыл бұрын

    @@arifb222 I play a little bit of guitar for fun ,right handed ,and have always wondered if I would have started left handed what the results would have been .Had an old guitar player tell me once the magic is in the picking hand and hopefully your fretting hand can keep up.

  • @ohitsyang
    @ohitsyang Жыл бұрын

    I’m a left handed boxer (southpaw) and I used to go into the ring with my opponent in a right hand stance until my opponent was tired or if I was losing the fight. As soon as one of those two things happened, I would wait until the next round and get into my Southpaw stance and when my opponent saw the switch, you could see the dreaded look in his eyes. Priceless 😂😂😂

  • @thejuggernautofspades9453

    @thejuggernautofspades9453

    Жыл бұрын

    In the gladiatorial arenas in Rome, left handed fighters won more often cause they had the surprise and fought right handed opponents and hot use to their fighting style

  • @itchycroe411

    @itchycroe411

    Жыл бұрын

    Isn’t that the whole plot of rocky?

  • @fatweevlogs

    @fatweevlogs

    Жыл бұрын

    I think I am right handed, but somehow in boxing I prefer the left handed stance as I hit harder with my left straight n hook, right is comfy for quick jabs though. And somehow I feel that my right uppercut is stronger than my left. But yeah i feel at home with the lefty stance.

  • @itchycroe411

    @itchycroe411

    Жыл бұрын

    @bobby shmurda's Hat no,it's Rocky2

  • @user-cv8qe9ru8c

    @user-cv8qe9ru8c

    Жыл бұрын

    They do say lefties are better off in fights. Makes sense

  • @boklarencjusz2585
    @boklarencjusz25856 күн бұрын

    I am generally left sided (writing, eating, playing football) but in many other situations I use my right arm, for example in playing volleyball, basketball, while throwing a ball or in boxing.

  • @Qwerty.240
    @Qwerty.24010 ай бұрын

    There could also be another point added that i just thought of: Wernicke's and Broca's regions (language centers) are mostly located in the left hemisphere. Our lingual abilities could also be linked to hemispheral dominance in humans. Evolution may have favoured left hemisphere for some reason. Specialized areas for tasks like tool making, language comprehension and communication seem to be located in left side more..

  • @darknigthangel
    @darknigthangel3 жыл бұрын

    Charles Xavier: "Welcome to the X-Men. What's your mutant power?" Me: "I'm left handed."

  • @nuzayerov

    @nuzayerov

    3 жыл бұрын

    Haha.

  • @zikrim1227

    @zikrim1227

    3 жыл бұрын

    Me : "I cant see green!"

  • @icircumcisedmonkeysafterfo4781

    @icircumcisedmonkeysafterfo4781

    3 жыл бұрын

    Me: I can move my ears Charles Xavier: *fascinating*

  • @jcbvortex22

    @jcbvortex22

    3 жыл бұрын

    I’m left handed and have the rarest blood type in the world, ABneg.

  • @nuzayerov

    @nuzayerov

    3 жыл бұрын

    @@AlexTonar, Hello. fellow Lefty! I am left handed too! #Unique #Left-Handed.

  • @dixietenbroeck8717
    @dixietenbroeck87173 жыл бұрын

    I had an lovely aunt (now deceased) who was a University Math Professor, and who was also ambidextrous. I was told that the 1st day of each class she would enter the room, quietly face the blackboard or whiteboard, then put up TWO complex mathematical equations - _SIMULTANEOUSLY!_ From that moment on she had *every* student's attention. 😉👍 (I miss you, Aunt Jean!)

  • @WouldntULikeToKnow.

    @WouldntULikeToKnow.

    3 жыл бұрын

    As someone who fears math, she would terrify me lol

  • @lonestarr1490

    @lonestarr1490

    3 жыл бұрын

    @@WouldntULikeToKnow. It's not the math you fear, but your own lack of comprehension.

  • @vshatriya5254

    @vshatriya5254

    3 жыл бұрын

    @@lonestarr1490 Indeed, but Math scares me. People fear something they don't understand, from aliens to a simple math problem.

  • @sokka47

    @sokka47

    3 жыл бұрын

    She must've enjoyed doing that to new classes. What a flex.... ❤️

  • @ursulabach566

    @ursulabach566

    3 жыл бұрын

    Bro I can write decently with both hands but could NEVER write two different things with both of them at the same time. That takes some serious coordination!

  • @beeg56
    @beeg565 ай бұрын

    Growing up, my dad and two of my three sibs - as well as me - were lefties. I had no idea that right-handers were dominant until I was in school (and began the long search for those weird lefty desks from middle school all the way through all my college years.)

  • @JeantheSecond-ip7qm
    @JeantheSecond-ip7qm11 күн бұрын

    My dad was left handed, but he grew up in an era where they still made left handed children become right handed, so he became right handed, but always remained more ambidextrous that most people. He was an accountant and he could maneuver the mouse with his left hand while entering numbers on the keyboard with his right.

  • @ignemuton5500
    @ignemuton55003 жыл бұрын

    this comment section would have you believe that 80% of humans are left handed lol

  • @gotguts5423

    @gotguts5423

    3 жыл бұрын

    Right handers don't feel special enough to comment. We are just observing out of curiosity.

  • @kokolanza7543

    @kokolanza7543

    3 жыл бұрын

    Haha, good point. Grateful for some sort of affirmation! (Speaking as a left-hander.)

  • @gotguts5423

    @gotguts5423

    3 жыл бұрын

    @Sapient Sepiid yeah, but use the sword with my right hand, heh!

  • @maxsmart61

    @maxsmart61

    3 жыл бұрын

    Lets kill all right handers

  • @MochaFur1

    @MochaFur1

    3 жыл бұрын

    @@maxsmart61 we won't have an advantage tho

  • @kilroysgeneral9565
    @kilroysgeneral9565 Жыл бұрын

    I'm a piano player and it is usually pretty easy to see what kind of handedness the composer has just from looking at the music, most people are right handed and tend to write more difficult parts higher on the staff. As a right-handed person, imagine my shock any time my left hand has to work more than my right

  • @contagiousintelligence5007

    @contagiousintelligence5007

    Жыл бұрын

    Who was a left handed composer?

  • @sybariticcupboardrat3763

    @sybariticcupboardrat3763

    Жыл бұрын

    Omg, is this why I don't like piano music much? I have a strong preference for lower notes - in voices, strings, brass, woodwinds, etc. If most piano music leans toward higher notes because of right handedness...

  • @AlpenTree

    @AlpenTree

    Жыл бұрын

    Fascinating l was not aware of this

  • @boxsterman77

    @boxsterman77

    11 ай бұрын

    Makes total sense and something I've never thought about. I guess they don't make piano's with a reversed order of keys to accommodate.

  • @Bpaynee

    @Bpaynee

    10 ай бұрын

    As a non piano player but with a growing interest in music structure, I assumed this was because bass lines are often more repetitive and consistent and then the higher notes sort of 'play around' that grounding line?

  • @tonykaze
    @tonykaze17 күн бұрын

    It's all about hips for me. I'm right-handed and play many sports but I always main whichever hand is needed for my left foot to be forward such that power generation is a counter-clockwise hip rotation. E.g. baseball: right-handed, disc golf: left handed. (Same full lower-body and core motion, just different hand). I think the eyes are also extremely important. If you have far better sight in one eye than the other, you're a lot more likely to use whatever main hand that goes along with that eye (e.g. shooting a rifle).

  • @wonderbucket1242
    @wonderbucket12423 ай бұрын

    King Solomon had all his left-handed fighters in one division. I can imagine how that can be advantageous if the enemy is facing waves of attacks, and suddenly one wave are all left-handed.

  • @victoriareissilveira9129
    @victoriareissilveira91293 жыл бұрын

    I only realised I was ambidextrous when I was about 10, and found out that right-handed ppl don't "just choose to use their right hands most of the times bc of social reasons". I was shook.

  • @Kanzu999

    @Kanzu999

    3 жыл бұрын

    Being ambidextrous is pretty interesting to me. I'm actually a bit confused that I don't feel that way at all. I was born left-handed, but when my mom saw me drawing with my left hand as a kid, she told me that you have to draw with the right hand, because she was apparently afraid I would get teased by being left-handed or something like that (strange, I know). Since then I've been right-handed my whole life. And my right hand feels very dominant now. But you just never thought about which hand you were using? What about when you're writing or drawing? Are both hands the same to you?

  • @Painted_Owl

    @Painted_Owl

    3 жыл бұрын

    Also ambidextrous. Back in kindergarten, my teacher forced us to choose one hand over the other, so after a week of fussing with it, I went with my right hand. It was easier to write with, with English flowing from left to right. Never really thought about being ambidextrous until I realized that I had a left preference for opening soda cans. Blew me away. I started paying attention to myself after that, and discovered my preference changed depending on what was more effective. And I was over here thinking I was doing it the “right” way the whole time

  • @snakevenom4954

    @snakevenom4954

    3 жыл бұрын

    I think there are simply more neurons in the stronger side. More neurons means more muscles get activated giving more control and a stronger arm. It would explain ambidextrous people like yourselves and people who have opposite sides like being right handed but kicking with your left leg

  • @victoriareissilveira9129

    @victoriareissilveira9129

    3 жыл бұрын

    @@Painted_Owl similar to my experience! Never had to strongly choose, but just went with whatever felt right, which often meant either hand. A few things are a bit stricter - I play guitar/bass left handed, but everybody around me said I should play with my right bc it is easier to find instruments and stuff. Bad advice, and bc I did not have a left-handed guitar, I ended up learning to play with my left hand on an "upside down" instrument. That one still annoys me haha

  • @charby1980

    @charby1980

    3 жыл бұрын

    I was born left handed but thought I was wrong for using my left hand so learned to use my right. Now I switch between hands depending on the task or if one arm is tired.

  • @joejoseph3078
    @joejoseph3078 Жыл бұрын

    I am a RN and I worked on a neurological unit for several years. Part of my patient population was stroke victims. One thing neurologists and neurosurgeons always note is the patients dominant hand which identified the patients dominant brain hemisphere. This is because if a person had a stroke that effects the non-dominant side of the brain, they have a higher percentage of recovery because the dominant side of the brain can take over for the damaged side. Now this is very simplified and there are many other factors, but it was always something that was noted in their records.

  • @Google_Does_Evil_Now

    @Google_Does_Evil_Now

    Жыл бұрын

    What is an RN? I'm so used to military videos that I thought it was Royal Navy. I'm guessing it's some type of nurse but what is an R nurse? I've been reading reading a couple of Wikipedia articles on left and right handedness during watching this video. And some of the writing and Wikipedia is terrible. Instead of writing right and left there are several sentences where they say right and "non-right-handedness" Instead of saying right-handed and left-handed. Can you imagine writing "non-right-handedness" instead of left-handed? :-)) It makes reading it difficult because there is mixed terminology between positive and negative depending on the study that they're referring to and then they're mixing positive and negative when using a terminology for right or left-handed instead of just using right or left-handed. And Wikipedia writers can be quite crap! Strange how some studies can say one thing and then another set of studies can say the opposite thing and then another study can say there's no difference at all. They can't all be right.

  • @honey2683

    @honey2683

    Жыл бұрын

    @@Google_Does_Evil_Now registered nurse

  • @ameliacorazon4015

    @ameliacorazon4015

    10 ай бұрын

    I wonder if they were including ambidextrous people in the “non” category? 🤔

  • @drewhempwood2113

    @drewhempwood2113

    9 ай бұрын

    ​@@honey2683you know what though? Who's a non registered nurse

  • @BeckBeckGo

    @BeckBeckGo

    9 ай бұрын

    Brh. I’m going to rock my future stroke recovery. I’m ambidextrous

  • @allthatremain5357
    @allthatremain53575 күн бұрын

    A slow-mo beach volleyball jiggle clip in a video about handedness…I see you PBS 😂.

  • @musicauthority-kt6zy
    @musicauthority-kt6zy10 ай бұрын

    Handedness is often hereditary, like my case I inherited being left handed from my father. it's like the saying says, "left handed people are in their right mind".

  • @SqwarkParrotSpittingFeathers
    @SqwarkParrotSpittingFeathers3 жыл бұрын

    I taught my son to read and write pre-school. I'm left handed, he just naturally copied me. However, it seems he's more naturally right handed. Now, as a dentist his ability to swap sides or hands appears to help him a little.

  • @martianmurray

    @martianmurray

    3 жыл бұрын

    I always saw the advantages of using both hands since I write right handed and throw lefty. In elementary school I thought I could be doing my work and throw stuff at the same time, so I could be like “no I didn’t throw it, see I’ve been writing the whole time.” ha

  • @SqwarkParrotSpittingFeathers

    @SqwarkParrotSpittingFeathers

    3 жыл бұрын

    @@martianmurray ah yes, incontrovertible proof of advantage. 😁

  • @boblob3509

    @boblob3509

    3 жыл бұрын

    Wow he became a dentist 👍

  • @BatMan-xr8gg

    @BatMan-xr8gg

    3 жыл бұрын

    @@martianmurray My father wrote left handed but threw right handed. But he could also paint with both hands. And when I did boxing as a kid, I learnt how to switch from Left to Right so no one had an advantage.

  • @pinkegg3179

    @pinkegg3179

    3 жыл бұрын

    @@therewasoldcringe me too, I write with right, but most everything else left. I think I was probably taught to write with right hand in school like "normal" kids, but things that I wasnt taught to do, like doing makeup or using a can opener or using a spoon, I use left hand. there isn't anything I can do with both right and left hand. only one or the other. I suppose I am anti-dextrous

  • @homerotrevino4289
    @homerotrevino42893 жыл бұрын

    “70-90% to be exact” lmao

  • @jarrysciligo5395

    @jarrysciligo5395

    3 жыл бұрын

    Thank you. That one gave me a serious WTF as well.

  • @organicfarm5524

    @organicfarm5524

    3 жыл бұрын

    "TO BE EXACT"... bwahawah

  • @bruinwhite9108

    @bruinwhite9108

    3 жыл бұрын

    He actually said "70-95%" hahaha even worse

  • @JackOQuin

    @JackOQuin

    3 жыл бұрын

    Describing the actual range of possible values is more precise than pretending some exact number is known.

  • @organicfarm5524

    @organicfarm5524

    3 жыл бұрын

    @@JackOQuin then he should have said, "to be precise" rather than "to be exact" and btw 'exact' is the key word.

  • @billkottmeyer
    @billkottmeyer5 ай бұрын

    🎯 Key Takeaways for quick navigation: 00:00 🚀 *The video explores a scenario with a giant circuit to question how long it takes for a light bulb to light up when a switch is closed.* 01:29 🔄 *Unlike a battery, electricity in the grid is in the form of alternating current (AC), where electrons wiggle back and forth without a net movement. The traditional explanation involving continuous conducting wires and electron flow is challenged.* 03:26 🔍 *James Clerk Maxwell's breakthrough in the 1860s revealed that light consists of oscillating electric and magnetic fields. John Henry Poynting's 1883 discovery of the Poynting vector showed how energy flows through these fields, challenging conventional views about electrons carrying energy.* 06:20 🌐 *In a simple circuit with a battery and a light bulb, the energy flow is explained by the Poynting vector, showcasing that it's the electric and magnetic fields, not the electrons, that carry energy.* 08:51 ⚡ *The video emphasizes that energy flux only goes one way, from the battery to the bulb, even though electrons move both ways. It highlights the misconception that people often think they're buying or pumping electrons.* 09:49 🔄 *The analysis of alternating current (AC) is explained, demonstrating that even though the direction of current reverses, the Poynting vector consistently points from the source to the bulb.* 11:47 🌐 *The historical failure of the first Trans-Atlantic cable in 1858 due to distorted signals revealed the importance of understanding energy transmission through electromagnetic fields, not just the flow of electrons in conductors.* 12:17 ⚡ *The answer to the initial scenario is provided: the light bulb turns on almost instantaneously, and the limiting factor is the propagation of electric and magnetic fields through space, not the movement of electrons in the wires.* 13:50 🤖 *Caséta by Lutron, the video sponsor, is introduced, offering smart lighting control that allows users to turn lights on/off with a phone, Alexa, or Google Assistant, enhancing everyday experiences with a deeper understanding of electrical energy flow.* Made with HARPA AI

  • @SurfinScientist
    @SurfinScientist4 ай бұрын

    My granny was left-handed and as a kid she was forced to write with her right hand at school. As a result, her handwriting always sucked later in her life. Even at old age, she complained about these experiences when she was young.

  • @Shatterverse
    @Shatterverse3 жыл бұрын

    My mother was a leftie and got forced, as most were at the time, to learn to write and do other things right handed. So she became semi ambidextrous as a result - she could even hit me with either hand, though I think she preferred her right hand for that, and for throwing shit at me.

  • @sophiecat5713

    @sophiecat5713

    3 жыл бұрын

    This was what I endured as a child, I remember having my left hand put in a mitten to force right handed writing, this was practiced right into the 80’s in Ireland . But I’m a true leftie that’s just learned to adapt to a right handed a world like all the other lefties....I can’t even find a left hand emoji now 🙀

  • @patrickmccurry1563

    @patrickmccurry1563

    3 жыл бұрын

    Yeah. My mom lightly tried to make me a righty, but from birth I was VERY left handed. Doing things with my right is akin to using a foot with long toes. With practice, a lot is possible, but it ain't ever going to be a "real hand".

  • @sceaserjulius9476

    @sceaserjulius9476

    3 жыл бұрын

    I can hit with both hands, i use right hand for really powerful blow, like throwing and punching, but write, eat and others using left hand.

  • @dorabrooks76

    @dorabrooks76

    3 жыл бұрын

    My mother is also a leftie and was forced to write with her right hand at school. The teacher would smack her hand with a ruler if she was caught writing with her left hand! That is until my grandma found out... she was a fierce lady about her kids!

  • @gildedbear5355

    @gildedbear5355

    3 жыл бұрын

    My father was the opposite. He was a righty but his sister didn't want to be the only leftie in the family so she insisted that he learn to write left handed.

  • @adlwilliams
    @adlwilliams3 жыл бұрын

    Editor: "We are 1 minute short of footage" Director: "Just throw in that footage of the monkey taking food from the human's hand 17 more times"

  • @enricocasaquia4045

    @enricocasaquia4045

    3 жыл бұрын

    Lol

  • @josiahgibbs5697

    @josiahgibbs5697

    2 жыл бұрын

    And rifles. The bolt hits you in the face.

  • @Mr.Ekshin

    @Mr.Ekshin

    2 жыл бұрын

    They just made a ten minute video to answer the question of why most humans are right handed, and the answer they came up with is... "Well, we just don't know". Gee thanks, PBS.

  • @onfourtris3301

    @onfourtris3301

    2 жыл бұрын

    😂

  • @moagnor

    @moagnor

    2 жыл бұрын

    I thought that was a slip in the matrix that I experienced.

  • @robertterrell3065
    @robertterrell30654 ай бұрын

    I found this video too late. Oh well. But it doesn't seem to explain an art class of mine back in 1976. One day, the professor asked for a show of hands of how many were left handed. So many students in the class held up their hand including me. He was very surprised, and so was everyone! But since then I've watched closely in films. It seems that there are quite a few left-handed actors, too.

  • @Sorenxdd
    @Sorenxdd7 ай бұрын

    Im left-handed, only troubles i had was in army since the weapons were made for righthands , bullet ejection was facing in so i kept burning my righthand with bullet casings

  • @foxwaffles
    @foxwaffles3 жыл бұрын

    I do my eye makeup like eyeliner and eyeshadow with each hand corresponding to my eye. I can also use a knife, thread a needle, sew, and do almost any other non-writing task ambidextrously. Unfortunately when I was a kid my teacher saw me regularly write with both hands and told me to stop and only use my right hand. So I can't write well with my left hand anymore.

  • @foxwaffles

    @foxwaffles

    3 жыл бұрын

    @Questa Semplice Animazione I suppose but it makes me sad, it would've been a neat party trick to show off how I can write with both hands lol. At least I can still draw and craft with both hands!

  • @benmiller5015

    @benmiller5015

    3 жыл бұрын

    Us ambidextrous people are the superior species. The one handed people have been trying to hold us back for thousands of years

  • @Neenerella333

    @Neenerella333

    3 жыл бұрын

    Jealous of the eyeliner thing. I am ridiculously right handed. To train for a rock climb, that had the crux pulling with the left hand, I trained the left arm exclusively. Like Ricky from Lady in the Water.

  • @alisonherondale6713

    @alisonherondale6713

    3 жыл бұрын

    Can do most things equally or almost equally with both hands, but I write with my right and throw with my left

  • @12412...

    @12412...

    3 жыл бұрын

    It's never too late. I started learning how to write with my other hand 2 years ago. And I proudly announce that it looks like it was written by 80 year old

  • @TimeBucks
    @TimeBucks3 жыл бұрын

    It's amazing how smooth the host rocked his outfit of the day

  • @viktorkukuruzovic5332

    @viktorkukuruzovic5332

    3 жыл бұрын

    Looks like the type that enjoys hackey sack and dislikes paying back his debts, or, in other words, a left handed guy

  • @Water-ym3ew

    @Water-ym3ew

    3 жыл бұрын

    @@viktorkukuruzovic5332 lmfao

  • @notspacekeeper

    @notspacekeeper

    3 жыл бұрын

    He's in ridiculously good shape too.

  • @rickyscars2921

    @rickyscars2921

    3 жыл бұрын

    Am I the only one that's dying to know what kind of shoes he was rocking with that outfit

  • @dooeytee6715

    @dooeytee6715

    3 жыл бұрын

    Every outfit you wear is the outfit of the day

  • @ellendiane27
    @ellendiane275 ай бұрын

    My husband was left handed as a kid until he brike his left hand and started using his right. He can write, use a utensil, and do most sports with both hands now. This is very helpful for me as I'm left handed and there's no sitting on the wrong side of the table with one another

  • @hansnorleaf
    @hansnorleaf6 ай бұрын

    Its funny about this left side tool use center. I thought about our speech center at the beginning of the video and wondered if that had something to do with it. Most things we learn we are told verbally how to do so it might be easiest for the brain to use the hand connected to the half that process language.

  • @cravidana1182
    @cravidana11823 жыл бұрын

    This video just came in handy.

  • @wjbt3

    @wjbt3

    3 жыл бұрын

    🤣 damn you!

  • @multiyapples

    @multiyapples

    3 жыл бұрын

    You made my day Cravid Ana.

  • @rogerpaquin625

    @rogerpaquin625

    3 жыл бұрын

    8 minutes after the video is uploaded and you smacked them with a pun. 😂

  • @LivLuvCreate

    @LivLuvCreate

    3 жыл бұрын

    buh tum tis! 😂

  • @chikensuup7746

    @chikensuup7746

    3 жыл бұрын

    This is getting out of hand

  • @benhicks9481
    @benhicks94813 жыл бұрын

    Im disappointed there's no poll for you to see what percentages your viewers are for left/right handedness

  • @PeterGriffin11

    @PeterGriffin11

    3 жыл бұрын

    @Morgan they didn't get rid of it.

  • @umcaraqualquer9555

    @umcaraqualquer9555

    3 жыл бұрын

    @Morgan no, they didn’t

  • @JiveDadson

    @JiveDadson

    3 жыл бұрын

    It's exactly 70 to 90 percent.

  • @WildFungus

    @WildFungus

    3 жыл бұрын

    missed opportunity

  • @nutellamonsta5602

    @nutellamonsta5602

    3 жыл бұрын

    @@PeterGriffin11 I think they mean the polls on the actual video, not community tab

  • @paulnew2
    @paulnew2 Жыл бұрын

    It says handedness may be connected to bipedalism; but I noticed when I trained my dogs to shake and to roll over, that they had preferred paws to shake with, and very strongly preferred directions to roll over in.

  • @Queenofgreen515
    @Queenofgreen5153 ай бұрын

    I grew up right handed, but in my twenties I had a huge spiritual awakening. After that I was able to use both hands where before I could only use the right. I still write right handed, but I’m legible left handed now too. I also gained the ability to use both hands for complex tasks simultaneously.

  • @michaelgreenlee5659
    @michaelgreenlee5659 Жыл бұрын

    I am surprised that eye dominance wasn't mentioned because there is usually a correlation between the two. When aiming and throwing and other handed activities, having your dominant eye towards the front is a huge advantage.

  • @rixatrix

    @rixatrix

    Жыл бұрын

    Yes! I just started taking an adult art class and they had us identify our dominant eye. For anyone who wants to know how do it, you hold out both hands and make your thumbs and pointer fingers into a triangle. Then center an object inside the triangle, and close one eye, trying both sides. The object will still be centered when you’re looking with your dominant eye. I’m right handed and left eye dominant, which is wild, because my left eye is also more near sided than my right by a few points. I assumed my slightly better eye would be dominant, but nope. Super interesting exercise.

  • @morganst.pierre

    @morganst.pierre

    Жыл бұрын

    As well as leg/foot dominance

  • @user-qi6ez4se4r

    @user-qi6ez4se4r

    11 ай бұрын

    @@rixatrix wow I never even thought of this. I'm left handed and I've never had glasses but my left eye vision has always been very fuzzy and all my clarity comes from my right eye which has perfect sight. Sure enough I'm right eye dominant which would make sense for being left handed.

  • @braxalln

    @braxalln

    11 ай бұрын

    @@user-qi6ez4se4r exact same story here!

  • @boxsterman77

    @boxsterman77

    11 ай бұрын

    So is there a known association with eye and hand dominance? If a person is right-handed, is it more likely that they are also right eyed? Or left eyed?

  • @farrahupson
    @farrahupson Жыл бұрын

    I once had an encounter with the greeter at the grocery store that I frequented, an older man who only had one arm (it was his left, and I got the idea that he had lost his right arm at a very young age.) I visited the store shortly after badly breaking my left humerus and was in a full left-arm cast from my shoulder to my hand at the time, and he stopped me to ask about the injury. He asked if I was having trouble doing things with a broken arm, because he had "heard that people prefer one hand over the other". It was so bizarre to hear from someone who had no personal experience with handedness.

  • @olopaxx

    @olopaxx

    Жыл бұрын

    Surely he'd have experience with left or right footedness? For example like in football

  • @roddydykes7053

    @roddydykes7053

    Жыл бұрын

    @@olopaxx maybe he only had one leg too.

  • @JoBrew

    @JoBrew

    Жыл бұрын

    The key is in the word ‘handedness’

  • @olopaxx

    @olopaxx

    Жыл бұрын

    @@JoBrew handedness and footedness feel the same with regards to preference for a specific one. He wouldn't have had to hear it from someone else otherwise

  • @tohaason

    @tohaason

    Жыл бұрын

    @@olopaxx I'm right handed, though not overly so, as I mentioned in another comment - I do a lot of things with my left hand. But I have *never* felt anything "handed" about my feet. Feet are used very differently from hands where one hand typically holds something and the other hand works on it.

  • @r.muller8289
    @r.muller82893 ай бұрын

    I used to do Muay Thai in highschool and one of my mates was left-handed but had to learn how to fight as right-handed. It sure made matches interesting when he'd suddenly change his stance from right to left, it always threw his opponents off for a hot second, since our whole defense is weakened if the other person's dominant side is different than ours.

  • @leftysheppey
    @leftysheppey2 ай бұрын

    Im whats called Cross-dominant. I can use both hands, but for different tasks. I cant write with my right hand, but I play golf right handed. Some things I can do equally well with either hand. Some things I suck at with both hands. Playing things like tennis or rounders when I was a kid always confused me. I never knew which handedness I should be.

  • @WhamBang
    @WhamBang3 жыл бұрын

    Blake: Including me. Captions: Including the dude here.

  • @epauletshark3793

    @epauletshark3793

    3 жыл бұрын

    I'm glad I could include you. What did I include you in?

  • @zeheimer1134

    @zeheimer1134

    3 жыл бұрын

    caption guy must be a leftie 😂

  • @aiuouia

    @aiuouia

    3 жыл бұрын

    Ive just watched again with captions to see this XD

  • @bryaneberly3588

    @bryaneberly3588

    3 жыл бұрын

    @TylerFortierPhotography go a little further and you realize this is how translation works, and most translators are literally making things up on the fly.

  • @LisaApril
    @LisaApril Жыл бұрын

    I am a left-handed woman. My aunt is also left-handed and now we have left-handed children. There’s always diversity in nature especially in humans. We have two hands, it just makes sense that some people would use the left one. We are a minority as I understood when using the Green coated scissors in kindergarten and other left-handed things in school. No one told me I was wrong because when I was a baby and my grandmother wanted me to feed myself with the tiny baby spoon I always grabbed it with my left hand. As she always gave it to me in my right hand and I always switched it into my left hand before trying to use it she became convinced I was a left-handed girl. And once she was convinced she would not let anyone in the family try to make me right handed. I really love my grandmother, bless her soul.

  • @NinetyLegos

    @NinetyLegos

    Жыл бұрын

    Sounds like a great grandma

  • @LisaApril

    @LisaApril

    Жыл бұрын

    @@NinetyLegos True love never dies.

  • @rachitkumar2450

    @rachitkumar2450

    11 ай бұрын

    Even I wanted to be left handed for a long time and tried playing cricket with both left and right, I can play cricket with left but not other activities. It's all in nature.

  • @boxsterman77

    @boxsterman77

    11 ай бұрын

    I don't know if it makes sense. As the video mentioned, we seem to be alone amongst animals in this regard. I can totally imagine an individual animal whose hand preference, or wing preference or fin preferences is perfectly balanced. In fact, I would think that for flying animals, it would be a necessity lest the creature not fly in perpetual circles.

  • @mmm__we

    @mmm__we

    10 ай бұрын

    I’m both handed and 2 of my friends are also both handed. I eat and write with my left hand but my right hand is stronger and used more for sports

  • @jomerrell
    @jomerrell17 сағат бұрын

    I lived in France for five years as a child in the 50's where I was initially not allowed in school because I was left handed. My father raised holy hell with the nuns to admit me, where my left hand was whipped with a switch daily. We had to use 'plumes' to write with (pens dipped in ink wells) and they said I would spread ink across the pages when I wrote. I survived without smears on the pages but sore knuckles from the whippings. I don't write like a contorted left hander but with my hand extended forward like a right hander. No problem.